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(11)

EP 3 635 444 A1

(12)

(43) Date of publication: 15.04.2020 Bulletin 2020/16 (21) Application number: 18814442.2 (22) Date of filing: 08.06.2018

(51) International Patent Classification (IPC):  G01V 1/22(2006.01) H01R 13/52(2006.01) G01V 1/00(2006.01) H01R 13/62(2006.01) (86) International application number: PCT/US2018/036618 (87) International publication number: WO 2018/227054 (13.12.2018 Gazette 2018/50)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 09.06.2017 US 201762517778 P (71) Applicant: Fairfield Industries Incorporated Sugar Land, Texas 77478 (US)	(72) Inventors: MORRIS, Michael Sugar Land, Texas 77478 (US) HAND, Sam Sugar Land, Texas 77478 (US) (74) Representative: Modiano, Gabriella Diana et al Modiano & Partners (DE) Thierschstrasse 11 80538 München 80538 München (DE)